Assertion (A): Birds have hollow bones and stream lined bodies.
Reasoning(R): Hollow bones are the only feature, which enable the birds to fly.
a. Both A and R are true and R is the correct explanation of A
b. Both A and R are true but R is not the correct explanation of A
c. A is true but R is false
d. A is false but R is true
Answers: 3
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Assertion (A): Birds have hollow bones and stream lined bodies.
Reasoning(R): Hollow bones are the...
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